In this video I talk about how a Newton’s cradle works and a piece of the explanation that is usually left out. Then I put the Newton’s Cradle in the vacuum chamber to test if there is any difference between the cradle in air and a vacuum.
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Categories: Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
https://youtu.be/rNEY3Yv9kC8 Steve Spangler is a celebrity teacher, science toy designer, speaker, author and an Emmy award-winning television personality. Spangler is probably best known for his... read more
Categories: Gr 9-10 Science, Gr. 11-12 Physics
The traditional incandescent bulbs used for teaching series and parallel circuits are rated for 3 V or 6 V. The problem is that many power supplies can generate higher voltages. As a result, it is... read more
Categories: All Science Teachers, Gr 9-10 Science, Gr. 11-12 Physics
First, astronomers made history when they detected a gravitational wave from two black holes merging. Then it was two neutron stars. Now, astronomers believe they've detected a gravitational wave... read more
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